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Finding the Fourth Proportional to 435,121.22, 600,505.30 and 253,891.54

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Solution

The fourth proportional to 435,121.22, 600,505.30 and 253,891.54 is: 350,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,121.22 : 600,505.30 = 253,891.54 : x
  2. Step 2: Convert to fraction form
    435,121.22/600,505.30 = 253,891.54/x
  3. Step 3: Cross multiply
    435,121.22x = 600,505.30 × 253,891.54
  4. Step 4: Simplify right side
    435,121.22x = 152,463,215,395.16
  5. Step 5: Solve for x
    x = 152,463,215,395.16/435,121.22
  6. Step 6: Final answer
    x = 350,392.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.